cuquantum.cutensornet.expectation_prepare¶

cuquantum.cutensornet.expectation_prepare(intptr_t handle, intptr_t tensor_network_expectation, size_t max_workspace_size_device, intptr_t work_desc, intptr_t cuda_stream)[source]¶

Prepares computation of the requested tensor network state expectation value.

Parameters

handle (intptr_t) – cuTensorNet library handle.
tensor_network_expectation (intptr_t) – Tensor network state expectation value representation.
max_workspace_size_device (size_t) – Upper limit on the amount of available GPU scratch memory (bytes).
work_desc (intptr_t) – Workspace descriptor (the required scratch/cache memory sizes will be set).
cuda_stream (intptr_t) – CUDA stream.